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| 微波消解-电感耦合等离子体质谱同时测定三七中5种重金属含量 | |
| 引用本文： | 许蔼飞. 微波消解-电感耦合等离子体质谱同时测定三七中5种重金属含量[J]. 安徽农业科学, 2012, 0(30): 14978-14979 |
| 作者姓名： | 许蔼飞 |
| 作者单位： | 广西中烟工业有限责任公司 |
| 摘 要： | [目的]建立了微波消解-电感耦合等离子体质谱(ICP-MS)同时测定中药三七中5种重金属(铜、砷、镉、汞、铅)含量的方法。[方法]三七样品微波消解后经ICP-MS测定重金属元素含量。[结果]5种元素在各自线性范围内线性系数r0.999 5,加标回收率为92.5%～96.6%,6次重复性试验的相对标准偏差RSD≤4.38%。[结论]该研究建立的方法前处理简便、快速,检测准确,灵敏度高。 |
| 关 键 词： | 微波消解 电感耦合等离子体质谱 三七 重金属含量 |
Simultaneous Determination of 5 Heavy Metals in Panax notoginseng by Microwave Digestion-ICP-MS |
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| XU Ai-fei. Simultaneous Determination of 5 Heavy Metals in Panax notoginseng by Microwave Digestion-ICP-MS[J]. Journal of Anhui Agricultural Sciences, 2012, 0(30): 14978-14979 | |
| Authors: | XU Ai-fei |
| Affiliation: | XU Ai-fei(China Tabacco Guangxi Industrial Co.Ltd.,Nanning,Guangxi 530001) |
| Abstract: | [Objective] A simultaneous determination method of 5 heavy metals,including Cu,As,Cd,Pb and Hg,in Panax notoginseng by ICP-MS combined with microwave digestion was established.[Method]Sample was digested by microwave and then analyzed by ICP-MS for determination of 5 heavy metals.[Result] The correlative coefficients of calibration curves for 5 analytes were all above 0.999 5.The recoveries were in the range of 92.5%-96.6%,and RSDs were not more than 4.38%.[Conclusion]The method is convenient,quick,accurate and highly sensitive for the determination of 5 heavy metals in Panax notoginseng. |
| Keywords: | Microwave digestion ICP-MS Panax notoginseng Content of heavy metals |
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